ShiHuiGou Fm., DaYanTouGou and DaCaiDan Counties, QingHai Prov., China (Ordovician of China)
Where: QingHai, China (38.0° N, 95.0° E: paleocoordinates 28.9° S, 131.5° E)
• local area-level geographic resolution
When: ShiHuiGou Formation, Early/Lower Llanvirn (466.0 - 463.5 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; lithified, black, gray, argillaceous sandstone and limestone
• gray sandstone and dark gray to black shale with gray limestone in middle and bottom
Primary reference: Stratigraphic Group of Quing Hai Province. 1980. Regional stratigraphic tables of the north western China region: Volume of NinXia Province. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall] more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 8686: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 24.08.2000